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Finding the Fourth Proportional to 474,947.60, 711,384.60 and 368,934.80

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Solution

The fourth proportional to 474,947.60, 711,384.60 and 368,934.80 is: 552,596.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,947.60 : 711,384.60 = 368,934.80 : x
  2. Step 2: Convert to fraction form
    474,947.60/711,384.60 = 368,934.80/x
  3. Step 3: Cross multiply
    474,947.60x = 711,384.60 × 368,934.80
  4. Step 4: Simplify right side
    474,947.60x = 262,454,535,124.08
  5. Step 5: Solve for x
    x = 262,454,535,124.08/474,947.60
  6. Step 6: Final answer
    x = 552,596.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.